Division or partition of geometric features

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1answer
20 views

Assigning road road segments to single line file?

I am working on a map of traffic data. How can I join my excel spreadsheet which has traffic data based on segments of a road to the shapefiles where each road is a single line file? Do I have to ...
0
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1answer
16 views

ArcGIS splitting tool does not update lines properties

I wanted to split some lines I drew in ArcMap using the "Split" tool during editing. What I was expecting is that once I split the line in, e.g. 10 segments, for each one of them ArcGIS updates ...
3
votes
1answer
33 views

Splitting, disaggregating, breaking up a merged raster file

I am using ArcMap 10.4.1 but I am also more than familiar with QGIS. I have a raster file (single band) from a merged grid on population statistics for Europe (please see image attached). The red ...
1
vote
1answer
46 views

Split lines at intersections in ArcGIS

How can I split all the lines in a feature class where they intersect with a second line feature. I have a roads feature and a rail feature. I want the lines in the rail feature to split where ever ...
2
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1answer
55 views

How to split overlapping linestrings?

I'm new to PostGIS and a bit lost... I work with linestrings that sometimes overlap, for example: I'd like to distinguish these linestrings by splitting them like Google Maps do: I was thinking ...
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0answers
36 views

Subdivide (split/cut) polygons or raster (e.g. based on area, neighborhood or “bottlenecks”)

I'm looking for a way to cut/separate my polygon (or raster) shapes at the respective thinnest region (as indicated by the red lines in the image). However, this should only be done for areas above a ...
2
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0answers
41 views

QGIS break polyline into line segments

In QGIS (2.14.3.) how do I break polyline features in their consisting (single)line features? I have tried the 'Explode lines' geoprocessing tool, but this destroys the whole polyline into very atomic ...
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0answers
20 views

splitting multipolygon with line

I am developing a QGIS plugin in python using mostly OGR that clusters features based on several conditions. One of the steps is to split the different multipolygon features (blue selection in image) ...
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0answers
29 views

Split polygon manually- geometry validity error problem

I want to split a polygon layer manually using the Split tool in QGIS however I'm getting an error no feature slit done: The geometry is invalid. Please repair before trying to split. I have ...
4
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1answer
35 views

How to split multiple lines of the same feature using a line?

So obviously there is a split tool to split a single selected line. In my instance I would like to split 2+ lines of the same feature using a tool that is similar to the split tool. In this image I ...
1
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2answers
29 views

Exporting feature class into multiple feature classes based on field Arcmap

I have 1 shapefile, with 100 rows data. How to Split to multiple feature class based on attribute I selected? I remember I can do it using GUI (old arcmap) but now I cant. I use arcmap 10.3.1. It's ...
2
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1answer
45 views

GRASS GIS: how to define several variables in a loop without the command locals()?

I am working on a Python script in GRASS GIS and want define several variables in a loop. My simple loop is working, but I don't know how to integrate sevaral variables. RG_koor=g.read_command("v.out....
4
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1answer
40 views

How to split every arc in a shapefile exactly in half?

I have a line shapefile containing several thousand arcs of varying length, representing a road system. I need to split each arc exactly in half along it's length. The resulting output would thus ...
1
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1answer
40 views

Splitting polygon into multiple fixed-width polygons along edge in R?

I have a polygon and would like to spit into grid with fixed width along with one edge. The result will look like the figure below. Are there algorithm to achieve my target? My language is R, but ...
1
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1answer
59 views

JTS: split arbitrary polygon by a line

I just discovered JTS through this stack exchange. I'm looking for a Java solution to cut an abitrary polygon into two by a line. I've implemented one that does fine on convex polygons, but it messes ...
2
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1answer
36 views

Split tool not splitting line as expected in ArcMap?

I have a long line that I would like to split. Therefore I start editing, I select the line and, once I chose the split tool, I click where I want to divide my data. What I noticed is that in some ...
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0answers
34 views

ArcGIS Geometric Network splits at junctions after editing route?

When I edit a Vertex of route (1) in my geometric Network, the route (2) which first was one route splits up in two routes at the junction. The m-Values from the Initial route are from 0.000 - 255.345....
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1answer
38 views

Splitting a line into multi-line at desired points in arcgis 10.1

I am currently working on a project in ArcGIS 10.1 Advanced license regarding the a single facility multiple destination analysis. But, I encountered a problem. I have to separate line features into ...
2
votes
1answer
32 views

Split No Longer Working When Creating Enclosed Polygons

I have been using ArcGIS Pro to create a large polygon feature class. Some of the polygons have enclosed areas I need to remove. I have been using the Split tool under Modify Features and it has ...
1
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3answers
142 views

Creating line from point based on intersecting line at 90 degrees to line in ArcMap?

I am using ArcMap 10.2/10.3 and I need to create lines from points, so I can split polygons at the created line, as per the image below. So I have to cut the polygon at a 90 degree angle to the line ...
2
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1answer
44 views

How can I split a polygon by network line in QGIS?

I have a road network as line layer and a land cover as polygon layer, I want to find number of subpolygon for each polygon that divided by line layer in QGIS? I used union function in Geoprocessing ...
4
votes
1answer
124 views

How to split a polygon into multiples sections in QGIS?

I am working on QGIS latest version 2.12.3. I am digitizing a polygon. It represents a riparian buffer of a river. The polygon made a continuous « loop » with a widht of 50 meters. I want to split my ...
2
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1answer
59 views

Can't Find the Split selected features with selected line from another layer tool

I'm trying to split a selected polygon features with a selected line from another feature layer. I, however, can't seem to get the tool for this to show up in my advanced digitize toolbar. In ...
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0answers
27 views

Singlepart to multipart not producing results [closed]

I have a line - a street downloaded from OSM. It is in separate parts geometrically, but is contained in one record in the attribute table. That means it is only one row. I would like to split this ...
4
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0answers
49 views

Why won't my points (that I created by intersection) won't intersect with the geometry they've been created from?

I created a set of points by intersecting a linestring layer with the boundary of a multipolygon layer like this: CREATE TABLE freiraumkataster_grenze AS SELECT gid, ST_CollectionHomogenize(...
2
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1answer
129 views

Split SHP file using ogr2ogr

I am trying to split a SHP file using all the attributes in the column header SUBURB. Below is an example of the attribute table sitting behind the SHP file: Name Suburb ABC BAY ...
3
votes
1answer
67 views

Divide line by length with QGIS [duplicate]

I'm a newbie using QGIS 2.12 and I'm trying to split a line in QGIS and place points every x meters. There is a tool in ArcGIS (divide by length add in). How to achieve this in QGIS?
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0answers
28 views

Changing output name prefix based on polygon attribute using ArcGIS Split tool?

I want the output file names of the raster split tool (ArcGis; http://resources.arcgis.com/en/help/main/10.2/index.html#//00170000009v000000) to carry a specific attribute (not FID) of the polygon I ...
1
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2answers
113 views

How to split osm data

I have a gigantic OSM geodata file of a city, and I want to split it into smaller files according to each group of tags. I googled it up and i found that there is a jar file caller splitter.jar . i ...
2
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2answers
56 views

Split on a dash in python

SO I am looking to do a split on a attribute that looks like 45-4. Now all the attributes have values. here is my code so far: import fme import fmeobjects def processFeature(feature): f_type ...
2
votes
1answer
81 views

Polygon split with defined area

I have polygons with interpolated data like on the picture on right. Now I want to split this polygon into smaller polygons with predefined similar area. Positions of these smaller polygons must be ...
1
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1answer
305 views

Split a polygons into many polygons based on points using ArcMap

I have: A polygon feature that is a national park boundary, A multi-point feature that are security guard posts (number = n ) of the same park. I want to divide the national park area into 'n' ...
3
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2answers
78 views

Splitting up selected islands using ArcGIS for Desktop?

What I'm trying to do is to split up that selected islands as single-part features/ polygons. But not all of them, you can see some little dots around the islands are like a part of the island. So I ...
3
votes
1answer
121 views

Get ID for each single v.to.points point in GRASS?

How do I get for each v.to.points point an ID in the database (DB). So far I splited the line (each 10m) but it returns only one DB entry for each original line. v.db.select line cat|Id|Name 1|1|...
2
votes
3answers
142 views

How to split a polygon by a polygon using PostGIS?

I've a large polygon (table_a) that contains a smaller polygon (table_b). Now I want to split the larger polygon by the smaller polygon. Unfortunately st_split(table_a.geom, table_b.geom) isn't ...
2
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0answers
51 views

Split Polyline QGIS - Too Many Resultant Features

I'm trying to split a single polyline into 2 polylines (I have lines that loop back on themselves, and I need to split each one into two lines: one for going, and one for coming back). When I use ...
1
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0answers
33 views

Split Polygon Layer by other Polygon layer in QGIS

I know there is a lot of previous posts to this subject, but I simply cannot find the solution I am after in the other posts. I have to following problem: I have two very extensive polygone layers, ...
1
vote
1answer
40 views

Empty feature classes made when trying to split by attribute

I am working with a Basic license of ArcMap 10.3, and I am trying to split a feature class into multiple feature classes in a geodatabase by unique values of an attribute. More specifically, I have a ...
1
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1answer
79 views

using qgis to split geometry in postgis: how to add unique id and copy original data in linked tables

We have set up a postgis database to manage all our old shapefiles. There is one table that contains the geometry and some basic information. There are several tables linked to that in a 1:m ...
1
vote
1answer
80 views

Splitting a Line on a Polygon QGIS 2.10

I am currently creating a polyline shapefile and need to split a line so as to add in a new off shoot. Would anyone happen to know how to split a polyline in QGIS? I have tried the split features ...
0
votes
1answer
54 views

Parcel Editor Functions Disabled

What I want to do is cut polygons into new euqal size polygons, so far the only solution I found was using the Parcel Editor. However, I cannot use any of the functions because everything is disabled ...
1
vote
2answers
266 views

Splitting raster in QGIS? without cliper

I have polygon grid layer and raster image whitch want to split with my grid layer to have 9 new raster layers. I was doing it like this guy but my QGIS stop working and shut down every time when I ...
2
votes
3answers
95 views

How to remove identical lines from layer in QGIS?

I converted polygon layer to line layer using "Polygons to Lines" tool. Then I used "Split" function of the Networks plugin. What I need to do next is to remove identical lines that were shared ...
1
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0answers
24 views

How Do I Split a Raster into parts using GDAL? [duplicate]

I have a large Raster with High resolution DEM of a large area, and I need to split it into smaller squares of 500mx500m, so that I can run other raster functions on it. Basically I'm looking for the ...
3
votes
3answers
676 views

Cut/Clip/Split a polygon with another polygon from same layer (Editing)

To not have overlapping polygons/features I normally use a practice where I use one or more polygons to clip/shape other polygons. This is often much faster than tracing when adding polygons etc. I ...
3
votes
1answer
112 views

Creating python script to split selected lines at a set length

I have been having trouble trying to come up with a python script that will go through a polyline feature class representing a river system and split all the streams intersecting with a central river ...
1
vote
1answer
228 views

Splitting all polygon features in a shapefile into smaller equal width polygons

I have a shapefile of thousands of polygon features, that i would like to break up into smaller pieces (i.e. break a square into 8 equal pieces). I have read all over these boards for the right ...
2
votes
2answers
174 views

Method to split line segments in a road network that are greater than X length into n smaller line segments using ArcGIS?

I'm using ArcGIS Desktop 10.2 and I'd like to take roads in a network greater than a certain length and split them into equal smaller pieces. I've noticed that splitting by percent can be achieved via ...
1
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0answers
64 views

need to split some linestrings by points

please help me, i'm new in gis 1) i have а table with geom railways, which are multilinestrings (for example there are 2 ways one of which is interrupted, so this way will be multilinestrings ...
0
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0answers
11 views

Divide/Split single polygons from one Shapefile using ArcGIS for Desktop? [duplicate]

I have a map of Austria which shows all the federal states in own polygons. As a whole - sure - you get Austria. I know how to make several states invisible so that you can just see particular states ...